Shenzhen Stock Exchange: Shenzhen Composite Index, ChiNext Index, SZSE 100 Index and other Shenzhen market indices are being revitalized to build a solid "ballast stone" for long-term value investment.

Recently, the Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. announced that according to the index compilation rules, they will conduct regular sample adjustments for the Shenzhen Composite Index, the ChiNext Index, the Shenzhen 100 Index, and the ChiNext 50 Index. This adjustment will officially take effect on December 15, 2025. The Shenzhen Composite Index will replace 17 sample stocks, including 7 main board companies and 10 ChiNext companies; the ChiNext Index will replace 8 sample stocks; the Shenzhen 100 Index will replace 7 sample stocks, including 4 main board companies and 3 ChiNext companies; the ChiNext 50 Index will replace 5 sample stocks. The "strong engine" drives the development of new productive forces. After this adjustment, the strategic emerging industries in the ChiNext Index will account for 93% of the weight, with a year-on-year growth rate of 13% in R&D expenses for the sample companies in the first three quarters, and R&D expenses accounting for 5% of operating income, with 30 companies having R&D intensity exceeding 10%. The new quality blue-chip properties of the Shenzhen 100 Index are more prominent, with the weight of strategic emerging industries increasing to 81%, and the weight of key areas such as advanced manufacturing, digital economy, and green low-carbon increasing to 79%. The weight of strategic emerging industries in the ChiNext 50 Index reaches 98%, with the new generation information technology industry represented by artificial intelligence, chips, and optical modules accounting for 45%. "Strengthening the core" to consolidate the foundation of the real economy. After this adjustment, the weight of manufacturing companies in the Shenzhen Composite Index reaches 76%, making it the index with the highest proportion of manufacturing in the Chinese capital market, with over one-third being champions in the manufacturing sector. The ChiNext Index has a stronger development momentum, with the sample companies in the new period seeing a year-on-year increase of 16% in operating income and 24% in net profit in the first three quarters, with net profit in high-end equipment manufacturing and new energy industries growing by 60% and 54% respectively. The Shenzhen 100 Index is deeply integrated into the global industrial chain and supply chain, with over 80% of sample companies expanding their business to international markets, and overseas revenue growing at a compound annual rate of 17% in the past three years. "Focus on returns" leading long-term value investment. After this adjustment, among the new sample companies in the Shenzhen Composite Index, nearly 60% have implemented a "quality return double improvement" action plan, with over one-third implementing stock buyback plans to continuously boost market confidence. In the new sample of the ChiNext Index, 64 companies have a national ESG rating of A or above, accounting for 79% of the weight, with the momentum of sustainable development continuously improving. The sample companies in the Shenzhen 100 Index continue to play a leading role in rewarding investors, distributing dividends totaling 302.2 billion RMB this year, accounting for 55% of the total dividends paid in Shenzhen, and achieving a 12% rolling net asset return rate in the past year, providing a good tool for medium and long-term funds. This article was selected from the official website of the Shenzhen Stock Exchange, edited by GMTEight: Feng Qiuyi.